diff --git a/test/unit/custom_workflow_mailer_test.rb b/test/unit/custom_workflow_mailer_test.rb
index 73623a4..eeb9513 100644
--- a/test/unit/custom_workflow_mailer_test.rb
+++ b/test/unit/custom_workflow_mailer_test.rb
@@ -39,11 +39,19 @@ def test_truth
     assert_kind_of User, @user2
   end
 
-  def test_custom_email
-    CustomWorkflowMailer.deliver_custom_email @user2, subject: 'Subject', text_body: 'Body', html_body: 'Body'
+  # def test_custom_email
+  #   CustomWorkflowMailer.deliver_custom_email @user2, subject: 'Subject', text_body: 'Body', html_body: 'Body'
+  #   email = last_email
+  #   assert text_part(email).body.include?('Body'), text_part(email).body
+  #   assert html_part(email).body.include?('Body'), html_part(email).body
+  # end
+
+  def test_custom_email_template
+    CustomWorkflowMailer.deliver_custom_email @user2, subject: 'Subject', template_name: 'mailer/my_email',
+                                              template_params: { url: Rails.root }
     email = last_email
-    assert text_part(email).body.include?('Body'), text_part(email).body
-    assert html_part(email).body.include?('Body'), html_part(email).body
+    assert text_part(email).body.include?('Body'), Rails.root.to_s
+    assert html_part(email).body.include?('Body'), Rails.root.to_s
   end
 
   private